
    /* 使用最外层包裹类限制范围，避免污染全局 */
    .gmp-accordion-section {
        width: 100%;
        padding: 40px 20px;
        box-sizing: border-box;
        background-color: #f5f5f5;
    }

    .gmp-accordion-section *, 
    .gmp-accordion-section *::before, 
    .gmp-accordion-section *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
        font-family: 'Helvetica Neue', Arial, sans-serif;
    }

    /* 手风琴主容器 */
    .gmp-accordion-container {
        display: flex;
        width: 100%;
        max-width: 2560px;
        height: 725px;
        gap: 10px;
        margin: 0 auto;
        overflow: hidden;
    }

    /* 单个卡片 (现在是 A 标签) */
    .gmp-card {
        position: relative;
        flex: 1;
        height: 100%;
        border-radius: 8px;
        overflow: hidden;
        background-size: cover;
        background-position: center;
        cursor: pointer;
        transition: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
        text-decoration: none;
        display: block;
    }

    /* ----- 修改点 1：默认遮罩变浅 (透明度从 0.5 降至 0.25) ----- */
    .gmp-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.25); /* 原为 0.5，调低使图片更亮 */
        transition: background 0.6s ease;
        z-index: 1;
    }

    /* PC端 Hover 效果 */
    @media (min-width: 769px) {
        .gmp-accordion-container:hover .gmp-card {
            flex: 0.6;
        }
        .gmp-accordion-container .gmp-card:hover {
            flex: 2.5;
        }
        /* ----- 修改点 2：悬停遮罩变得更浅 (透明度从 0.25 降至 0.1) ----- */
        .gmp-accordion-container .gmp-card:hover::before {
            background: rgba(0, 0, 0, 0.1); /* 原为 0.25，悬停时更亮 */
        }
    }

    /* 内容容器 */
    .gmp-card-content {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 2;
        color: #ffffff;
    }

    .gmp-vertical-title {
        position: absolute;
        bottom: 60px;
        left: 50%;
        transform: translateX(-50%);
        text-align: center;
        white-space: normal;
        width: 85%;
        font-size: 26px;
        font-weight: bold;
        letter-spacing: 1px;
        opacity: 1;
        transition: opacity 0.4s ease, transform 0.4s ease;
        pointer-events: none;
    }

    .gmp-expanded-content {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        padding: 40px;
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        opacity: 0;
        transform: translateY(20px);
        transition: opacity 0.4s ease, transform 0.4s ease;
        pointer-events: none;
    }

    .gmp-expanded-content h2 {
        font-size: 32px;
        margin-bottom: 20px;
        font-weight: 600;
        color: #ffffff;
    }

    .gmp-description {
        font-size: 20px;
        line-height: 1.6;
        max-width: 85%;
        margin-bottom: 65px;
        color: #e2e8f0;
    }

    .gmp-find-more-btn {
        display: inline-block;
        align-self: flex-start;
        padding: 10px 28px;
        border: 2px solid #ffffff;
        background: transparent;
        color: #ffffff;
        border-radius: 15px;
        font-size: 18px;
        font-weight: bold;
        transition: all 0.3s ease;
    }

    .gmp-card:hover .gmp-find-more-btn:hover {
        background-color: #F5F5F5;
        color: #0066CC;
    }

    @media (min-width: 769px) {
        .gmp-card:hover .gmp-vertical-title {
            opacity: 0;
            transform: translateX(-50%) translateY(-20px);
        }
        .gmp-card:hover .gmp-expanded-content {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
    }

    /* 移动端安全自适应 */
    @media (max-width: 768px) {
        .gmp-accordion-container {
            flex-direction: column;
            height: auto;
            gap: 15px;
        }

        .gmp-card {
            flex: none;
            width: 100%;
            height: 150px;
            transition: height 0.5s ease;
        }

        .gmp-card.gmp-active {
            height: 300px;
        }

        .gmp-vertical-title {
            bottom: auto;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 26px;
            width: 90%;
        }

        .gmp-card.gmp-active .gmp-vertical-title {
            opacity: 0;
        }

        .gmp-expanded-content {
            padding: 25px;
            justify-content: center;
        }

        .gmp-card.gmp-active .gmp-expanded-content {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }

        .gmp-expanded-content h2 { font-size: 24px; margin-bottom: 5px; }
        .gmp-description { font-size: 14px; margin-bottom: 15px; max-width: 100%; }
    }
